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Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Partly Cloudy

66°F

19°C

Humidity 78%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Apr 8:55 am CDT
Extended Forecast for

Chillicothe IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely. Low around 42. South wind 11 to 15 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 42 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 52 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. West wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 56. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 35. North northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 35 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 62 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely. Low around 42. South wind 11 to 15 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. West wind 5 to 11 mph, with gusts as high as 23 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 56. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 35. North northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.92°N 89.52°W (Elev. 522 ft)
Last Update:
8:42 am CDT Apr 17, 2026
Forecast Valid:
9am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation